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Tax Calendar

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Key dates from the federal tax calendar.

January 31

Employers must send out W-2 Forms and 1099 Forms to employees and non-employees who provide services.

February 15

If you claimed exemption from income tax withholding on the W-4 Form you gave your employer last year, you must file a new Form W-4 by this date to continue your exemption for another year.

February 28

Businesses must file paper copies of Form 1099 with the Internal Revenue Service.

March 15

Partnerships must file for 1065 for the calendar year and pay any taxes due.

S Corporations must file form 1120S for the calendar year and pay any taxes due.

April 17

2017 individual income tax returns due, along with any tax, interest, and penalties due.

Last day to contribute to a traditional IRA, Roth IRA, or SEP-IRA for the 2017 tax year.

Estimated tax for the 1st quarter of 2018 due for those who do not pay their income tax throughout the year through withholding.

C Corporations must file form 1120 for the calendar year and pay any taxes due.

June 15

2017 individual income tax returns due for those who live outside the United States.

Estimated tax for the 2nd quarter of 2018 due for those who do not pay their income tax throughout the year through withholding.

September 17

Estimated tax for the 3rd quarter of 2018 due for those who do not pay their income tax throughout the year through withholding.

Partnerships tax returns due for those businesses that were given a 6-month extension to file returns for 2017.

S Corporations tax returns due for those businesses that were given a 6-month extension to file returns for 2017.

October 15

Individual income tax returns due for those who were given a 6-month extension to file income tax returns for 2017, along with any tax, interest, and penalties due.

C Corporations tax returns due for those businesses that were given a 6-month extension to file returns for 2017.

January 15, 2019

Estimated tax for the 4th quarter of 2018 due for those who do not pay their income tax throughout the year through withholding.